Integrand size = 16, antiderivative size = 28 \[ \int \csc (a+b x) \csc (2 a+2 b x) \, dx=\frac {\text {arctanh}(\sin (a+b x))}{2 b}-\frac {\csc (a+b x)}{2 b} \]
[Out]
Time = 0.05 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {4373, 2701, 327, 213} \[ \int \csc (a+b x) \csc (2 a+2 b x) \, dx=\frac {\text {arctanh}(\sin (a+b x))}{2 b}-\frac {\csc (a+b x)}{2 b} \]
[In]
[Out]
Rule 213
Rule 327
Rule 2701
Rule 4373
Rubi steps \begin{align*} \text {integral}& = \frac {1}{2} \int \csc ^2(a+b x) \sec (a+b x) \, dx \\ & = -\frac {\text {Subst}\left (\int \frac {x^2}{-1+x^2} \, dx,x,\csc (a+b x)\right )}{2 b} \\ & = -\frac {\csc (a+b x)}{2 b}-\frac {\text {Subst}\left (\int \frac {1}{-1+x^2} \, dx,x,\csc (a+b x)\right )}{2 b} \\ & = \frac {\text {arctanh}(\sin (a+b x))}{2 b}-\frac {\csc (a+b x)}{2 b} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.
Time = 0.02 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.04 \[ \int \csc (a+b x) \csc (2 a+2 b x) \, dx=-\frac {\csc (a+b x) \operatorname {Hypergeometric2F1}\left (-\frac {1}{2},1,\frac {1}{2},\sin ^2(a+b x)\right )}{2 b} \]
[In]
[Out]
Time = 0.40 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.11
method | result | size |
default | \(\frac {-\frac {1}{\sin \left (x b +a \right )}+\ln \left (\sec \left (x b +a \right )+\tan \left (x b +a \right )\right )}{2 b}\) | \(31\) |
risch | \(-\frac {i {\mathrm e}^{i \left (x b +a \right )}}{b \left ({\mathrm e}^{2 i \left (x b +a \right )}-1\right )}-\frac {\ln \left ({\mathrm e}^{i \left (x b +a \right )}-i\right )}{2 b}+\frac {\ln \left (i+{\mathrm e}^{i \left (x b +a \right )}\right )}{2 b}\) | \(66\) |
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 50 vs. \(2 (24) = 48\).
Time = 0.25 (sec) , antiderivative size = 50, normalized size of antiderivative = 1.79 \[ \int \csc (a+b x) \csc (2 a+2 b x) \, dx=\frac {\log \left (\sin \left (b x + a\right ) + 1\right ) \sin \left (b x + a\right ) - \log \left (-\sin \left (b x + a\right ) + 1\right ) \sin \left (b x + a\right ) - 2}{4 \, b \sin \left (b x + a\right )} \]
[In]
[Out]
\[ \int \csc (a+b x) \csc (2 a+2 b x) \, dx=\int \csc {\left (a + b x \right )} \csc {\left (2 a + 2 b x \right )}\, dx \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 233 vs. \(2 (24) = 48\).
Time = 0.33 (sec) , antiderivative size = 233, normalized size of antiderivative = 8.32 \[ \int \csc (a+b x) \csc (2 a+2 b x) \, dx=-\frac {{\left (\cos \left (2 \, b x + 2 \, a\right )^{2} + \sin \left (2 \, b x + 2 \, a\right )^{2} - 2 \, \cos \left (2 \, b x + 2 \, a\right ) + 1\right )} \log \left (\frac {\cos \left (b x + 2 \, a\right )^{2} + \cos \left (a\right )^{2} - 2 \, \cos \left (a\right ) \sin \left (b x + 2 \, a\right ) + \sin \left (b x + 2 \, a\right )^{2} + 2 \, \cos \left (b x + 2 \, a\right ) \sin \left (a\right ) + \sin \left (a\right )^{2}}{\cos \left (b x + 2 \, a\right )^{2} + \cos \left (a\right )^{2} + 2 \, \cos \left (a\right ) \sin \left (b x + 2 \, a\right ) + \sin \left (b x + 2 \, a\right )^{2} - 2 \, \cos \left (b x + 2 \, a\right ) \sin \left (a\right ) + \sin \left (a\right )^{2}}\right ) + 4 \, \cos \left (b x + a\right ) \sin \left (2 \, b x + 2 \, a\right ) - 4 \, \cos \left (2 \, b x + 2 \, a\right ) \sin \left (b x + a\right ) + 4 \, \sin \left (b x + a\right )}{4 \, {\left (b \cos \left (2 \, b x + 2 \, a\right )^{2} + b \sin \left (2 \, b x + 2 \, a\right )^{2} - 2 \, b \cos \left (2 \, b x + 2 \, a\right ) + b\right )}} \]
[In]
[Out]
none
Time = 0.26 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.36 \[ \int \csc (a+b x) \csc (2 a+2 b x) \, dx=-\frac {\frac {2}{\sin \left (b x + a\right )} - \log \left (\sin \left (b x + a\right ) + 1\right ) + \log \left (-\sin \left (b x + a\right ) + 1\right )}{4 \, b} \]
[In]
[Out]
Time = 19.50 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.93 \[ \int \csc (a+b x) \csc (2 a+2 b x) \, dx=\frac {\mathrm {atanh}\left (\sin \left (a+b\,x\right )\right )}{2\,b}-\frac {1}{2\,b\,\sin \left (a+b\,x\right )} \]
[In]
[Out]